MediaRouter: Clean up resources

- Remove resources which are unused or doesn't have opposite
  theme resources in the same density.
- Rename 'cast' to 'mr'.
- Remove redundant use of media_route.
- Rename on/off to connected/disconnected.

Bug: 29232660
Change-Id: I4e09703b3b383c4282a6fd08a7ad9a846de3cde1
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_audiotrack.png b/v7/mediarouter/res/drawable-hdpi/ic_audiotrack_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_audiotrack.png
rename to v7/mediarouter/res/drawable-hdpi/ic_audiotrack_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_cast_white.png b/v7/mediarouter/res/drawable-hdpi/ic_cast_white.png
deleted file mode 100644
index d649ded..0000000
--- a/v7/mediarouter/res/drawable-hdpi/ic_cast_white.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_close_dark.png b/v7/mediarouter/res/drawable-hdpi/ic_dialog_close_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_close_dark.png
rename to v7/mediarouter/res/drawable-hdpi/ic_dialog_close_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_close_light.png b/v7/mediarouter/res/drawable-hdpi/ic_dialog_close_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_close_light.png
rename to v7/mediarouter/res/drawable-hdpi/ic_dialog_close_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_media_pause.png b/v7/mediarouter/res/drawable-hdpi/ic_media_pause.png
deleted file mode 100644
index 17ceb83..0000000
--- a/v7/mediarouter/res/drawable-hdpi/ic_media_pause.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_pause_dark.png b/v7/mediarouter/res/drawable-hdpi/ic_media_pause_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_pause_dark.png
rename to v7/mediarouter/res/drawable-hdpi/ic_media_pause_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_pause_light.png b/v7/mediarouter/res/drawable-hdpi/ic_media_pause_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_pause_light.png
rename to v7/mediarouter/res/drawable-hdpi/ic_media_pause_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_media_play.png b/v7/mediarouter/res/drawable-hdpi/ic_media_play.png
deleted file mode 100644
index e925f23..0000000
--- a/v7/mediarouter/res/drawable-hdpi/ic_media_play.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_play_dark.png b/v7/mediarouter/res/drawable-hdpi/ic_media_play_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_play_dark.png
rename to v7/mediarouter/res/drawable-hdpi/ic_media_play_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_play_light.png b/v7/mediarouter/res/drawable-hdpi/ic_media_play_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_play_light.png
rename to v7/mediarouter/res/drawable-hdpi/ic_media_play_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_media_route_disabled_mono_dark.png b/v7/mediarouter/res/drawable-hdpi/ic_mr_button_disabled_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_media_route_disabled_mono_dark.png
rename to v7/mediarouter/res/drawable-hdpi/ic_mr_button_disabled_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_cast_disabled_light.png b/v7/mediarouter/res/drawable-hdpi/ic_mr_button_disabled_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_cast_disabled_light.png
rename to v7/mediarouter/res/drawable-hdpi/ic_mr_button_disabled_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_media_route_off_mono_dark.png b/v7/mediarouter/res/drawable-hdpi/ic_mr_button_disconnected_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_media_route_off_mono_dark.png
rename to v7/mediarouter/res/drawable-hdpi/ic_mr_button_disconnected_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_cast_off_light.png b/v7/mediarouter/res/drawable-hdpi/ic_mr_button_disconnected_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_cast_off_light.png
rename to v7/mediarouter/res/drawable-hdpi/ic_mr_button_disconnected_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_cast_grey.png b/v7/mediarouter/res/drawable-hdpi/ic_mr_button_grey.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_cast_grey.png
rename to v7/mediarouter/res/drawable-hdpi/ic_mr_button_grey.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_speaker_dark.png b/v7/mediarouter/res/drawable-hdpi/ic_vol_type_speaker_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_speaker_dark.png
rename to v7/mediarouter/res/drawable-hdpi/ic_vol_type_speaker_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_speaker_group_dark.png b/v7/mediarouter/res/drawable-hdpi/ic_vol_type_speaker_group_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_speaker_group_dark.png
rename to v7/mediarouter/res/drawable-hdpi/ic_vol_type_speaker_group_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_speaker_group_light.png b/v7/mediarouter/res/drawable-hdpi/ic_vol_type_speaker_group_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_speaker_group_light.png
rename to v7/mediarouter/res/drawable-hdpi/ic_vol_type_speaker_group_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_speaker_light.png b/v7/mediarouter/res/drawable-hdpi/ic_vol_type_speaker_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_speaker_light.png
rename to v7/mediarouter/res/drawable-hdpi/ic_vol_type_speaker_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_tv_dark.png b/v7/mediarouter/res/drawable-hdpi/ic_vol_type_tv_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_tv_dark.png
rename to v7/mediarouter/res/drawable-hdpi/ic_vol_type_tv_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-hdpi/ic_tv_light.png b/v7/mediarouter/res/drawable-hdpi/ic_vol_type_tv_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-hdpi/ic_tv_light.png
rename to v7/mediarouter/res/drawable-hdpi/ic_vol_type_tv_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_audiotrack.png b/v7/mediarouter/res/drawable-mdpi/ic_audiotrack_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_audiotrack.png
rename to v7/mediarouter/res/drawable-mdpi/ic_audiotrack_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_cast_white.png b/v7/mediarouter/res/drawable-mdpi/ic_cast_white.png
deleted file mode 100644
index d62923f..0000000
--- a/v7/mediarouter/res/drawable-mdpi/ic_cast_white.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_close_dark.png b/v7/mediarouter/res/drawable-mdpi/ic_dialog_close_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_close_dark.png
rename to v7/mediarouter/res/drawable-mdpi/ic_dialog_close_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_close_light.png b/v7/mediarouter/res/drawable-mdpi/ic_dialog_close_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_close_light.png
rename to v7/mediarouter/res/drawable-mdpi/ic_dialog_close_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_media_pause.png b/v7/mediarouter/res/drawable-mdpi/ic_media_pause.png
deleted file mode 100644
index 3378dfb..0000000
--- a/v7/mediarouter/res/drawable-mdpi/ic_media_pause.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_pause_dark.png b/v7/mediarouter/res/drawable-mdpi/ic_media_pause_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_pause_dark.png
rename to v7/mediarouter/res/drawable-mdpi/ic_media_pause_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_pause_light.png b/v7/mediarouter/res/drawable-mdpi/ic_media_pause_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_pause_light.png
rename to v7/mediarouter/res/drawable-mdpi/ic_media_pause_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_media_play.png b/v7/mediarouter/res/drawable-mdpi/ic_media_play.png
deleted file mode 100644
index 79632c8..0000000
--- a/v7/mediarouter/res/drawable-mdpi/ic_media_play.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_play_dark.png b/v7/mediarouter/res/drawable-mdpi/ic_media_play_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_play_dark.png
rename to v7/mediarouter/res/drawable-mdpi/ic_media_play_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_play_light.png b/v7/mediarouter/res/drawable-mdpi/ic_media_play_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_play_light.png
rename to v7/mediarouter/res/drawable-mdpi/ic_media_play_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_media_route_disabled_mono_dark.png b/v7/mediarouter/res/drawable-mdpi/ic_mr_button_disabled_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_media_route_disabled_mono_dark.png
rename to v7/mediarouter/res/drawable-mdpi/ic_mr_button_disabled_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_cast_disabled_light.png b/v7/mediarouter/res/drawable-mdpi/ic_mr_button_disabled_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_cast_disabled_light.png
rename to v7/mediarouter/res/drawable-mdpi/ic_mr_button_disabled_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_media_route_off_mono_dark.png b/v7/mediarouter/res/drawable-mdpi/ic_mr_button_disconnected_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_media_route_off_mono_dark.png
rename to v7/mediarouter/res/drawable-mdpi/ic_mr_button_disconnected_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_cast_off_light.png b/v7/mediarouter/res/drawable-mdpi/ic_mr_button_disconnected_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_cast_off_light.png
rename to v7/mediarouter/res/drawable-mdpi/ic_mr_button_disconnected_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_cast_grey.png b/v7/mediarouter/res/drawable-mdpi/ic_mr_button_grey.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_cast_grey.png
rename to v7/mediarouter/res/drawable-mdpi/ic_mr_button_grey.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_speaker_dark.png b/v7/mediarouter/res/drawable-mdpi/ic_vol_type_speaker_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_speaker_dark.png
rename to v7/mediarouter/res/drawable-mdpi/ic_vol_type_speaker_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_speaker_group_dark.png b/v7/mediarouter/res/drawable-mdpi/ic_vol_type_speaker_group_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_speaker_group_dark.png
rename to v7/mediarouter/res/drawable-mdpi/ic_vol_type_speaker_group_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_speaker_group_light.png b/v7/mediarouter/res/drawable-mdpi/ic_vol_type_speaker_group_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_speaker_group_light.png
rename to v7/mediarouter/res/drawable-mdpi/ic_vol_type_speaker_group_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_speaker_light.png b/v7/mediarouter/res/drawable-mdpi/ic_vol_type_speaker_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_speaker_light.png
rename to v7/mediarouter/res/drawable-mdpi/ic_vol_type_speaker_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_tv_dark.png b/v7/mediarouter/res/drawable-mdpi/ic_vol_type_tv_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_tv_dark.png
rename to v7/mediarouter/res/drawable-mdpi/ic_vol_type_tv_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-mdpi/ic_tv_light.png b/v7/mediarouter/res/drawable-mdpi/ic_vol_type_tv_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-mdpi/ic_tv_light.png
rename to v7/mediarouter/res/drawable-mdpi/ic_vol_type_tv_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_audiotrack.png b/v7/mediarouter/res/drawable-xhdpi/ic_audiotrack_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_audiotrack.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_audiotrack_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_cast_white.png b/v7/mediarouter/res/drawable-xhdpi/ic_cast_white.png
deleted file mode 100644
index 63c2717..0000000
--- a/v7/mediarouter/res/drawable-xhdpi/ic_cast_white.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_close_dark.png b/v7/mediarouter/res/drawable-xhdpi/ic_dialog_close_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_close_dark.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_dialog_close_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_close_light.png b/v7/mediarouter/res/drawable-xhdpi/ic_dialog_close_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_close_light.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_dialog_close_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_pause.png b/v7/mediarouter/res/drawable-xhdpi/ic_media_pause.png
deleted file mode 100644
index 80f6f23..0000000
--- a/v7/mediarouter/res/drawable-xhdpi/ic_media_pause.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_pause_dark.png b/v7/mediarouter/res/drawable-xhdpi/ic_media_pause_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_pause_dark.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_media_pause_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_pause_light.png b/v7/mediarouter/res/drawable-xhdpi/ic_media_pause_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_pause_light.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_media_pause_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_play.png b/v7/mediarouter/res/drawable-xhdpi/ic_media_play.png
deleted file mode 100644
index b49c4bd..0000000
--- a/v7/mediarouter/res/drawable-xhdpi/ic_media_play.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_play_dark.png b/v7/mediarouter/res/drawable-xhdpi/ic_media_play_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_play_dark.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_media_play_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_play_light.png b/v7/mediarouter/res/drawable-xhdpi/ic_media_play_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_play_light.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_media_play_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_light.png b/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_light.png
deleted file mode 100644
index 6bab08f..0000000
--- a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_light.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_00_dark.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_00_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_00_dark.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_00_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_00_light.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_00_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_00_light.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_00_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_01_dark.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_01_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_01_dark.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_01_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_01_light.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_01_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_01_light.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_01_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_02_dark.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_02_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_02_dark.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_02_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_02_light.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_02_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_02_light.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_02_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_03_dark.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_03_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_03_dark.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_03_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_03_light.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_03_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_03_light.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_03_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_04_dark.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_04_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_04_dark.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_04_dark.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_04_light.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_04_light.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_04_light.png
rename to v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_04_light.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_05_dark.png b/v7/mediarouter/res/drawable-xhdpi/ic_mr_button_connected_05_dark.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xhdpi/ic_media_route_on_05_dark.png
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diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00007.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_07.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00007.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_07.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00008.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_08.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00008.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_08.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00009.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_09.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00009.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_09.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00010.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_10.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00010.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_10.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00011.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_11.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00011.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_11.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00012.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_12.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00012.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_12.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00013.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_13.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00013.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_13.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00014.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_14.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00014.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_14.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00015.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_15.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_expand_00015.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_group_expand_15.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_cast_grey.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_mr_button_grey.png
similarity index 100%
rename from v7/mediarouter/res/drawable-xxxhdpi/ic_cast_grey.png
rename to v7/mediarouter/res/drawable-xxxhdpi/ic_mr_button_grey.png
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_pause_light.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_pause_light.png
deleted file mode 100644
index 66178aa..0000000
--- a/v7/mediarouter/res/drawable-xxxhdpi/ic_pause_light.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable-xxxhdpi/ic_play_light.png b/v7/mediarouter/res/drawable-xxxhdpi/ic_play_light.png
deleted file mode 100644
index 904bbdb..0000000
--- a/v7/mediarouter/res/drawable-xxxhdpi/ic_play_light.png
+++ /dev/null
Binary files differ
diff --git a/v7/mediarouter/res/drawable/ic_collapse.xml b/v7/mediarouter/res/drawable/ic_collapse.xml
deleted file mode 100644
index 143e862..0000000
--- a/v7/mediarouter/res/drawable/ic_collapse.xml
+++ /dev/null
@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2015 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
-        android:oneshot="true">
-    <item android:drawable="@drawable/ic_collapse_00000" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00001" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00002" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00003" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00004" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00005" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00006" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00007" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00008" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00009" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00010" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00011" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00012" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00013" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00014" android:duration="13" />
-    <item android:drawable="@drawable/ic_collapse_00015" android:duration="13" />
-</animation-list>
diff --git a/v7/mediarouter/res/drawable/ic_expand.xml b/v7/mediarouter/res/drawable/ic_expand.xml
deleted file mode 100644
index 2bd29ae..0000000
--- a/v7/mediarouter/res/drawable/ic_expand.xml
+++ /dev/null
@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2015 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
-        android:oneshot="true">
-    <item android:drawable="@drawable/ic_expand_00000" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00001" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00002" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00003" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00004" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00005" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00006" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00007" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00008" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00009" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00010" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00011" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00012" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00013" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00014" android:duration="13" />
-    <item android:drawable="@drawable/ic_expand_00015" android:duration="13" />
-</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_button_connected_dark.xml b/v7/mediarouter/res/drawable/mr_button_connected_dark.xml
new file mode 100644
index 0000000..ddf8c91
--- /dev/null
+++ b/v7/mediarouter/res/drawable/mr_button_connected_dark.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<animation-list
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:oneshot="true">
+    <item android:drawable="@drawable/ic_mr_button_connected_00_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_01_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_02_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_03_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_04_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_05_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_06_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_07_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_08_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_09_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_10_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_11_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_12_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_13_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_14_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_15_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_16_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_17_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_18_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_19_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_20_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_21_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_22_dark" android:duration="42" />
+</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_button_connected_light.xml b/v7/mediarouter/res/drawable/mr_button_connected_light.xml
new file mode 100644
index 0000000..ba0434a
--- /dev/null
+++ b/v7/mediarouter/res/drawable/mr_button_connected_light.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<animation-list
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:oneshot="true">
+    <item android:drawable="@drawable/ic_mr_button_connected_00_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_01_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_02_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_03_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_04_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_05_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_06_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_07_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_08_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_09_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_10_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_11_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_12_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_13_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_14_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_15_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_16_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_17_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_18_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_19_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_20_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_21_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connected_22_light" android:duration="42" />
+</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_button_connecting_dark.xml b/v7/mediarouter/res/drawable/mr_button_connecting_dark.xml
new file mode 100644
index 0000000..ba3a673
--- /dev/null
+++ b/v7/mediarouter/res/drawable/mr_button_connecting_dark.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<animation-list
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:oneshot="false">
+    <item android:drawable="@drawable/ic_mr_button_connecting_00_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_01_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_02_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_03_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_04_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_05_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_06_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_07_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_08_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_09_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_10_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_11_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_12_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_13_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_14_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_15_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_16_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_17_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_18_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_19_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_20_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_21_dark" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_22_dark" android:duration="42" />
+</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_button_connecting_light.xml b/v7/mediarouter/res/drawable/mr_button_connecting_light.xml
new file mode 100644
index 0000000..c511782
--- /dev/null
+++ b/v7/mediarouter/res/drawable/mr_button_connecting_light.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<animation-list
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:oneshot="false">
+    <item android:drawable="@drawable/ic_mr_button_connecting_00_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_01_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_02_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_03_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_04_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_05_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_06_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_07_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_08_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_09_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_10_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_11_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_12_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_13_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_14_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_15_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_16_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_17_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_18_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_19_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_20_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_21_light" android:duration="42" />
+    <item android:drawable="@drawable/ic_mr_button_connecting_22_light" android:duration="42" />
+</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_ic_media_route_mono_dark.xml b/v7/mediarouter/res/drawable/mr_button_dark.xml
similarity index 76%
rename from v7/mediarouter/res/drawable/mr_ic_media_route_mono_dark.xml
rename to v7/mediarouter/res/drawable/mr_button_dark.xml
index d7643de..e6195f6 100644
--- a/v7/mediarouter/res/drawable/mr_ic_media_route_mono_dark.xml
+++ b/v7/mediarouter/res/drawable/mr_button_dark.xml
@@ -16,10 +16,10 @@
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:state_checked="true" android:state_enabled="true"
-            android:drawable="@drawable/mr_ic_media_route_on_dark" />
+            android:drawable="@drawable/mr_button_connected_dark" />
     <item android:state_checkable="true" android:state_enabled="true"
-            android:drawable="@drawable/mr_ic_media_route_connecting_dark" />
+            android:drawable="@drawable/mr_button_connecting_dark" />
     <item android:state_enabled="true"
-            android:drawable="@drawable/ic_media_route_off_mono_dark" />
-    <item android:drawable="@drawable/ic_media_route_disabled_mono_dark" />
+            android:drawable="@drawable/ic_mr_button_disconnected_dark" />
+    <item android:drawable="@drawable/ic_mr_button_disabled_dark" />
 </selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_media_route_mono_light.xml b/v7/mediarouter/res/drawable/mr_button_light.xml
similarity index 76%
rename from v7/mediarouter/res/drawable/mr_ic_media_route_mono_light.xml
rename to v7/mediarouter/res/drawable/mr_button_light.xml
index 0036193..aaa4069 100644
--- a/v7/mediarouter/res/drawable/mr_ic_media_route_mono_light.xml
+++ b/v7/mediarouter/res/drawable/mr_button_light.xml
@@ -16,10 +16,10 @@
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:state_checked="true" android:state_enabled="true"
-            android:drawable="@drawable/mr_ic_media_route_on_light" />
+            android:drawable="@drawable/mr_button_connected_light" />
     <item android:state_checkable="true" android:state_enabled="true"
-            android:drawable="@drawable/mr_ic_media_route_connecting_light" />
+            android:drawable="@drawable/mr_button_connecting_light" />
     <item android:state_enabled="true"
-            android:drawable="@drawable/ic_cast_off_light" />
-    <item android:drawable="@drawable/ic_cast_disabled_light" />
+            android:drawable="@drawable/ic_mr_button_disconnected_light" />
+    <item android:drawable="@drawable/ic_mr_button_disabled_light" />
 </selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_play_dark.xml b/v7/mediarouter/res/drawable/mr_dialog_close_dark.xml
similarity index 92%
copy from v7/mediarouter/res/drawable/mr_ic_play_dark.xml
copy to v7/mediarouter/res/drawable/mr_dialog_close_dark.xml
index 99e743c..fb962ac 100644
--- a/v7/mediarouter/res/drawable/mr_ic_play_dark.xml
+++ b/v7/mediarouter/res/drawable/mr_dialog_close_dark.xml
@@ -15,5 +15,5 @@
 -->
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/ic_play_dark" />
+    <item android:drawable="@drawable/ic_dialog_close_dark" />
 </selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_play_light.xml b/v7/mediarouter/res/drawable/mr_dialog_close_light.xml
similarity index 93%
rename from v7/mediarouter/res/drawable/mr_ic_play_light.xml
rename to v7/mediarouter/res/drawable/mr_dialog_close_light.xml
index 48a7e03..7f8df0c 100644
--- a/v7/mediarouter/res/drawable/mr_ic_play_light.xml
+++ b/v7/mediarouter/res/drawable/mr_dialog_close_light.xml
@@ -17,7 +17,8 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item>
         <bitmap
-            android:src="@drawable/ic_play_light"
+            android:src="@drawable/ic_dialog_close_light"
             android:alpha="0.87" />
     </item>
+
 </selector>
diff --git a/v7/mediarouter/res/drawable/mr_group_collapse.xml b/v7/mediarouter/res/drawable/mr_group_collapse.xml
new file mode 100644
index 0000000..065f62f
--- /dev/null
+++ b/v7/mediarouter/res/drawable/mr_group_collapse.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2015 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
+        android:oneshot="true">
+    <item android:drawable="@drawable/ic_group_collapse_00" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_01" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_02" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_03" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_04" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_05" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_06" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_07" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_08" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_09" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_10" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_11" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_12" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_13" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_14" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_collapse_15" android:duration="13" />
+</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_group_expand.xml b/v7/mediarouter/res/drawable/mr_group_expand.xml
new file mode 100644
index 0000000..da3719b
--- /dev/null
+++ b/v7/mediarouter/res/drawable/mr_group_expand.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2015 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
+        android:oneshot="true">
+    <item android:drawable="@drawable/ic_group_expand_00" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_01" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_02" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_03" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_04" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_05" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_06" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_07" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_08" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_09" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_10" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_11" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_12" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_13" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_14" android:duration="13" />
+    <item android:drawable="@drawable/ic_group_expand_15" android:duration="13" />
+</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_ic_audiotrack_light.xml b/v7/mediarouter/res/drawable/mr_ic_audiotrack_light.xml
deleted file mode 100644
index 05b4a8a..0000000
--- a/v7/mediarouter/res/drawable/mr_ic_audiotrack_light.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2015 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_audiotrack_light"
-    android:alpha="0.87" />
diff --git a/v7/mediarouter/res/drawable/mr_ic_close_dark.xml b/v7/mediarouter/res/drawable/mr_ic_close_dark.xml
deleted file mode 100644
index 4a88cec..0000000
--- a/v7/mediarouter/res/drawable/mr_ic_close_dark.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2013 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/ic_close_dark" />
-</selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_close_light.xml b/v7/mediarouter/res/drawable/mr_ic_close_light.xml
deleted file mode 100644
index c663ae8..0000000
--- a/v7/mediarouter/res/drawable/mr_ic_close_light.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2013 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item>
-        <bitmap
-            android:src="@drawable/ic_close_light"
-            android:alpha="0.87" />
-    </item>
-
-</selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_media_route_connecting_dark.xml b/v7/mediarouter/res/drawable/mr_ic_media_route_connecting_dark.xml
deleted file mode 100644
index 6b5c272..0000000
--- a/v7/mediarouter/res/drawable/mr_ic_media_route_connecting_dark.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2016 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<animation-list
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        android:oneshot="false">
-    <item android:drawable="@drawable/ic_media_route_connecting_00_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_01_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_02_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_03_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_04_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_05_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_06_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_07_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_08_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_09_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_10_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_11_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_12_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_13_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_14_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_15_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_16_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_17_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_18_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_19_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_20_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_21_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_22_dark" android:duration="42" />
-</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_ic_media_route_connecting_light.xml b/v7/mediarouter/res/drawable/mr_ic_media_route_connecting_light.xml
deleted file mode 100644
index 37a04b17..0000000
--- a/v7/mediarouter/res/drawable/mr_ic_media_route_connecting_light.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2016 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<animation-list
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        android:oneshot="false">
-    <item android:drawable="@drawable/ic_media_route_connecting_00_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_01_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_02_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_03_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_04_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_05_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_06_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_07_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_08_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_09_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_10_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_11_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_12_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_13_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_14_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_15_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_16_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_17_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_18_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_19_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_20_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_21_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_connecting_22_light" android:duration="42" />
-</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_ic_media_route_on_dark.xml b/v7/mediarouter/res/drawable/mr_ic_media_route_on_dark.xml
deleted file mode 100644
index de183a3..0000000
--- a/v7/mediarouter/res/drawable/mr_ic_media_route_on_dark.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2016 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<animation-list
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        android:oneshot="true">
-    <item android:drawable="@drawable/ic_media_route_on_00_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_01_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_02_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_03_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_04_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_05_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_06_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_07_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_08_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_09_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_10_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_11_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_12_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_13_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_14_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_15_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_16_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_17_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_18_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_19_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_20_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_21_dark" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_22_dark" android:duration="42" />
-</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_ic_media_route_on_light.xml b/v7/mediarouter/res/drawable/mr_ic_media_route_on_light.xml
deleted file mode 100644
index 2d4775b..0000000
--- a/v7/mediarouter/res/drawable/mr_ic_media_route_on_light.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2016 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<animation-list
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        android:oneshot="true">
-    <item android:drawable="@drawable/ic_media_route_on_00_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_01_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_02_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_03_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_04_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_05_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_06_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_07_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_08_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_09_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_10_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_11_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_12_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_13_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_14_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_15_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_16_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_17_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_18_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_19_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_20_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_21_light" android:duration="42" />
-    <item android:drawable="@drawable/ic_media_route_on_22_light" android:duration="42" />
-</animation-list>
diff --git a/v7/mediarouter/res/drawable/mr_ic_pause_dark.xml b/v7/mediarouter/res/drawable/mr_ic_pause_dark.xml
deleted file mode 100644
index f3dc712..0000000
--- a/v7/mediarouter/res/drawable/mr_ic_pause_dark.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2013 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/ic_pause_dark" />
-</selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_pause_light.xml b/v7/mediarouter/res/drawable/mr_ic_pause_light.xml
deleted file mode 100644
index 0cea425..0000000
--- a/v7/mediarouter/res/drawable/mr_ic_pause_light.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2013 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item>
-        <bitmap
-            android:src="@drawable/ic_pause_light"
-            android:alpha="0.87" />
-    </item>
-</selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_play_dark.xml b/v7/mediarouter/res/drawable/mr_media_pause_dark.xml
similarity index 92%
rename from v7/mediarouter/res/drawable/mr_ic_play_dark.xml
rename to v7/mediarouter/res/drawable/mr_media_pause_dark.xml
index 99e743c..da8e781 100644
--- a/v7/mediarouter/res/drawable/mr_ic_play_dark.xml
+++ b/v7/mediarouter/res/drawable/mr_media_pause_dark.xml
@@ -15,5 +15,5 @@
 -->
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/ic_play_dark" />
+    <item android:drawable="@drawable/ic_media_pause_dark" />
 </selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_play_light.xml b/v7/mediarouter/res/drawable/mr_media_pause_light.xml
similarity index 93%
copy from v7/mediarouter/res/drawable/mr_ic_play_light.xml
copy to v7/mediarouter/res/drawable/mr_media_pause_light.xml
index 48a7e03..8e9cf9f 100644
--- a/v7/mediarouter/res/drawable/mr_ic_play_light.xml
+++ b/v7/mediarouter/res/drawable/mr_media_pause_light.xml
@@ -17,7 +17,7 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item>
         <bitmap
-            android:src="@drawable/ic_play_light"
+            android:src="@drawable/ic_media_pause_light"
             android:alpha="0.87" />
     </item>
 </selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_play_dark.xml b/v7/mediarouter/res/drawable/mr_media_play_dark.xml
similarity index 92%
copy from v7/mediarouter/res/drawable/mr_ic_play_dark.xml
copy to v7/mediarouter/res/drawable/mr_media_play_dark.xml
index 99e743c..1a15c4d4 100644
--- a/v7/mediarouter/res/drawable/mr_ic_play_dark.xml
+++ b/v7/mediarouter/res/drawable/mr_media_play_dark.xml
@@ -15,5 +15,5 @@
 -->
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/ic_play_dark" />
+    <item android:drawable="@drawable/ic_media_play_dark" />
 </selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_play_light.xml b/v7/mediarouter/res/drawable/mr_media_play_light.xml
similarity index 93%
copy from v7/mediarouter/res/drawable/mr_ic_play_light.xml
copy to v7/mediarouter/res/drawable/mr_media_play_light.xml
index 48a7e03..daba953 100644
--- a/v7/mediarouter/res/drawable/mr_ic_play_light.xml
+++ b/v7/mediarouter/res/drawable/mr_media_play_light.xml
@@ -17,7 +17,7 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item>
         <bitmap
-            android:src="@drawable/ic_play_light"
+            android:src="@drawable/ic_media_play_light"
             android:alpha="0.87" />
     </item>
 </selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_play_dark.xml b/v7/mediarouter/res/drawable/mr_vol_type_audiotrack_dark.xml
similarity index 85%
copy from v7/mediarouter/res/drawable/mr_ic_play_dark.xml
copy to v7/mediarouter/res/drawable/mr_vol_type_audiotrack_dark.xml
index 99e743c..6a3844e 100644
--- a/v7/mediarouter/res/drawable/mr_ic_play_dark.xml
+++ b/v7/mediarouter/res/drawable/mr_vol_type_audiotrack_dark.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2013 The Android Open Source Project
+<!-- Copyright (C) 2015 The Android Open Source Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -15,5 +15,5 @@
 -->
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/ic_play_dark" />
+    <item android:drawable="@drawable/ic_audiotrack_dark" />
 </selector>
diff --git a/v7/mediarouter/res/drawable/mr_ic_play_light.xml b/v7/mediarouter/res/drawable/mr_vol_type_audiotrack_light.xml
similarity index 87%
copy from v7/mediarouter/res/drawable/mr_ic_play_light.xml
copy to v7/mediarouter/res/drawable/mr_vol_type_audiotrack_light.xml
index 48a7e03..7e1c69e 100644
--- a/v7/mediarouter/res/drawable/mr_ic_play_light.xml
+++ b/v7/mediarouter/res/drawable/mr_vol_type_audiotrack_light.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2013 The Android Open Source Project
+<!-- Copyright (C) 2015 The Android Open Source Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -17,7 +17,7 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item>
         <bitmap
-            android:src="@drawable/ic_play_light"
+            android:src="@drawable/ic_audiotrack_light"
             android:alpha="0.87" />
     </item>
 </selector>
diff --git a/v7/mediarouter/res/values/styles.xml b/v7/mediarouter/res/values/styles.xml
index 18f954d..0edee9b 100644
--- a/v7/mediarouter/res/values/styles.xml
+++ b/v7/mediarouter/res/values/styles.xml
@@ -18,13 +18,13 @@
     <style name="Widget.MediaRouter.MediaRouteButton"
             parent="Widget.AppCompat.ActionButton">
         <item name="android:contentDescription">@string/mr_button_content_description</item>
-        <item name="externalRouteEnabledDrawable">@drawable/mr_ic_media_route_mono_dark</item>
+        <item name="externalRouteEnabledDrawable">@drawable/mr_button_dark</item>
     </style>
 
     <style name="Widget.MediaRouter.Light.MediaRouteButton"
             parent="Widget.AppCompat.Light.ActionButton">
         <item name="android:contentDescription">@string/mr_button_content_description</item>
-        <item name="externalRouteEnabledDrawable">@drawable/mr_ic_media_route_mono_light</item>
+        <item name="externalRouteEnabledDrawable">@drawable/mr_button_light</item>
     </style>
 
     <!-- MediaRouteChooserDialog text styles -->
diff --git a/v7/mediarouter/res/values/themes.xml b/v7/mediarouter/res/values/themes.xml
index f086c89..4ea3a9f 100644
--- a/v7/mediarouter/res/values/themes.xml
+++ b/v7/mediarouter/res/values/themes.xml
@@ -21,14 +21,14 @@
         <item name="mediaRouteButtonStyle">@style/Widget.MediaRouter.MediaRouteButton</item>
 
         <item name="MediaRouteControllerWindowBackground">@drawable/mr_dialog_material_background_dark</item>
-        <item name="mediaRouteCloseDrawable">@drawable/mr_ic_close_dark</item>
-        <item name="mediaRoutePlayDrawable">@drawable/mr_ic_play_dark</item>
-        <item name="mediaRoutePauseDrawable">@drawable/mr_ic_pause_dark</item>
-        <item name="mediaRouteAudioTrackDrawable">@drawable/ic_audiotrack</item>
-        <item name="mediaRouteDefaultIconDrawable">@drawable/ic_cast_white</item>
-        <item name="mediaRouteTvIconDrawable">@drawable/ic_tv_dark</item>
-        <item name="mediaRouteSpeakerIconDrawable">@drawable/ic_speaker_dark</item>
-        <item name="mediaRouteSpeakerGroupIconDrawable">@drawable/ic_speaker_group_dark</item>
+        <item name="mediaRouteCloseDrawable">@drawable/mr_dialog_close_dark</item>
+        <item name="mediaRoutePlayDrawable">@drawable/mr_media_play_dark</item>
+        <item name="mediaRoutePauseDrawable">@drawable/mr_media_pause_dark</item>
+        <item name="mediaRouteAudioTrackDrawable">@drawable/mr_vol_type_audiotrack_dark</item>
+        <item name="mediaRouteDefaultIconDrawable">@drawable/ic_mr_button_disconnected_dark</item>
+        <item name="mediaRouteTvIconDrawable">@drawable/ic_vol_type_tv_dark</item>
+        <item name="mediaRouteSpeakerIconDrawable">@drawable/ic_vol_type_speaker_dark</item>
+        <item name="mediaRouteSpeakerGroupIconDrawable">@drawable/ic_vol_type_speaker_group_dark</item>
         <item name="mediaRouteChooserPrimaryTextStyle">@style/Widget.MediaRouter.ChooserText.Primary.Dark</item>
         <item name="mediaRouteChooserSecondaryTextStyle">@style/Widget.MediaRouter.ChooserText.Secondary.Dark</item>
         <item name="mediaRouteControllerTitleTextStyle">@style/Widget.MediaRouter.ControllerText.Title.Dark</item>
@@ -37,9 +37,9 @@
     </style>
 
     <style name="Theme.MediaRouter.LightControlPanel">
-        <item name="mediaRoutePlayDrawable">@drawable/mr_ic_play_light</item>
-        <item name="mediaRoutePauseDrawable">@drawable/mr_ic_pause_light</item>
-        <item name="mediaRouteAudioTrackDrawable">@drawable/mr_ic_audiotrack_light</item>
+        <item name="mediaRoutePlayDrawable">@drawable/mr_media_play_light</item>
+        <item name="mediaRoutePauseDrawable">@drawable/mr_media_pause_light</item>
+        <item name="mediaRouteAudioTrackDrawable">@drawable/mr_vol_type_audiotrack_light</item>
         <item name="mediaRouteControllerPrimaryTextStyle">@style/Widget.MediaRouter.ControllerText.Primary.Light</item>
         <item name="mediaRouteControllerSecondaryTextStyle">@style/Widget.MediaRouter.ControllerText.Secondary.Light</item>
     </style>
@@ -48,14 +48,14 @@
         <item name="mediaRouteButtonStyle">@style/Widget.MediaRouter.Light.MediaRouteButton</item>
 
         <item name="MediaRouteControllerWindowBackground">@drawable/mr_dialog_material_background_light</item>
-        <item name="mediaRouteCloseDrawable">@drawable/mr_ic_close_light</item>
-        <item name="mediaRoutePlayDrawable">@drawable/mr_ic_play_light</item>
-        <item name="mediaRoutePauseDrawable">@drawable/mr_ic_pause_light</item>
-        <item name="mediaRouteAudioTrackDrawable">@drawable/mr_ic_audiotrack_light</item>
-        <item name="mediaRouteDefaultIconDrawable">@drawable/ic_cast_grey</item>
-        <item name="mediaRouteTvIconDrawable">@drawable/ic_tv_light</item>
-        <item name="mediaRouteSpeakerIconDrawable">@drawable/ic_speaker_light</item>
-        <item name="mediaRouteSpeakerGroupIconDrawable">@drawable/ic_speaker_group_light</item>
+        <item name="mediaRouteCloseDrawable">@drawable/mr_dialog_close_light</item>
+        <item name="mediaRoutePlayDrawable">@drawable/mr_media_play_light</item>
+        <item name="mediaRoutePauseDrawable">@drawable/mr_media_pause_light</item>
+        <item name="mediaRouteAudioTrackDrawable">@drawable/mr_vol_type_audiotrack_light</item>
+        <item name="mediaRouteDefaultIconDrawable">@drawable/ic_mr_button_grey</item>
+        <item name="mediaRouteTvIconDrawable">@drawable/ic_vol_type_tv_light</item>
+        <item name="mediaRouteSpeakerIconDrawable">@drawable/ic_vol_type_speaker_light</item>
+        <item name="mediaRouteSpeakerGroupIconDrawable">@drawable/ic_vol_type_speaker_group_light</item>
         <item name="mediaRouteChooserPrimaryTextStyle">@style/Widget.MediaRouter.ChooserText.Primary.Light</item>
         <item name="mediaRouteChooserSecondaryTextStyle">@style/Widget.MediaRouter.ChooserText.Secondary.Light</item>
         <item name="mediaRouteControllerTitleTextStyle">@style/Widget.MediaRouter.ControllerText.Title.Light</item>
@@ -64,9 +64,9 @@
     </style>
 
     <style name="Theme.MediaRouter.Light.DarkControlPanel">
-        <item name="mediaRoutePlayDrawable">@drawable/mr_ic_play_dark</item>
-        <item name="mediaRoutePauseDrawable">@drawable/mr_ic_pause_dark</item>
-        <item name="mediaRouteAudioTrackDrawable">@drawable/ic_audiotrack</item>
+        <item name="mediaRoutePlayDrawable">@drawable/mr_media_play_dark</item>
+        <item name="mediaRoutePauseDrawable">@drawable/mr_media_pause_dark</item>
+        <item name="mediaRouteAudioTrackDrawable">@drawable/mr_vol_type_audiotrack_dark</item>
         <item name="mediaRouteControllerPrimaryTextStyle">@style/Widget.MediaRouter.ControllerText.Primary.Dark</item>
         <item name="mediaRouteControllerSecondaryTextStyle">@style/Widget.MediaRouter.ControllerText.Secondary.Dark</item>
     </style>
diff --git a/v7/mediarouter/src/android/support/v7/app/MediaRouteExpandCollapseButton.java b/v7/mediarouter/src/android/support/v7/app/MediaRouteExpandCollapseButton.java
index 6ccfaa8..4c81a43 100644
--- a/v7/mediarouter/src/android/support/v7/app/MediaRouteExpandCollapseButton.java
+++ b/v7/mediarouter/src/android/support/v7/app/MediaRouteExpandCollapseButton.java
@@ -49,9 +49,9 @@
     public MediaRouteExpandCollapseButton(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         mExpandAnimationDrawable = (AnimationDrawable) ContextCompat.getDrawable(
-                context, R.drawable.ic_expand);
+                context, R.drawable.mr_group_expand);
         mCollapseAnimationDrawable = (AnimationDrawable) ContextCompat.getDrawable(
-                context, R.drawable.ic_collapse);
+                context, R.drawable.mr_group_collapse);
 
         ColorFilter filter = new PorterDuffColorFilter(
                 MediaRouterThemeHelper.getControllerColor(context, defStyleAttr),